Sn-58Bi-(0~3)Ga/Cu润湿剪切性能及界面化合物的研究*

doi:10.11896/j.issn.1005-023X.2017.014.019

《材料导报》期刊社

2017, Vol. 31

Issue (14): 92-95 https://doi.org/10.11896/j.issn.1005-023X.2017.014.019

材料研究

Sn-58Bi-(0~3)Ga/Cu润湿剪切性能及界面化合物的研究^*

杨斌¹, 陈剑明¹, 邬善江¹, 李明茂², 张建波²

1 江西理工大学材料科学与工程学院, 赣州 341000;
2 江西省有色金属加工工程技术研究中心, 赣州 341000;

Study on Wetting Shearing Properties and Interface Compounds of Sn-58Bi-(0-3)Ga/Cu

YANG Bin¹, CHEN Jianming¹, WU Shanjiang¹, LI Mingmao², ZHANG Jianbo²

1 School of Material Science and Engineering, Jiangxi University of Science and Techonology, Ganzhou 341000;
2 Jiangxi Nonferrous Metal Processing Engineering Technology Research Center, Ganzhou 341000;

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摘要采用熔炼铸造法制备了Sn-58Bi-(0~3)Ga焊料合金,研究了Ga元素含量对合金熔化特性、润湿和剪切性能的影响,并利用扫描电镜研究了Sn-58Bi-(0~3)Ga/Cu基体界面特征。结果表明,Ga元素的添加降低了合金的熔点,增大了合金的熔程,相比于Sn-58Bi合金,Sn-58Bi-1Ga焊料合金在铜基体的铺展率显著下降,剪切强度略有提高,随着Ga含量提高至2%、3%,合金的铺展率略有下降,剪切强度显著降低;Sn-58Bi/Cu界面主要组成元素为Sn和Cu,Sn-58Bi-(1~3)Ga/Cu界面上出现了明显的Ga和Cu元素偏聚界面层,结合特征点的能谱成分分析,确定了界面化合物的组成。

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	杨斌
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	邬善江
	李明茂
	张建波

关键词: Sn-Bi合金熔化特性剪切强度铺展率界面化合物

Abstract: The Sn-58Bi-(0—3)Ga alloys were prepared by melting and casting method. The research was focused on the effect of Ga content on properties of melting, wetting and shear strength subsequently. The characteristic of interface between Sn-58Bi-(0—3)Ga and Cu was investigated as well. The results showed that the addition of Ga led to the decrease of the melting point and the increase of melting range. Compared with the alloy without Ga addition, the spreading rate of Sn-58Bi-1Ga on Cu substrate decreased obviously while the shear strength increased slightly. Along with the content of Ga increasing to 2% and 3%, the shear strength decreased significantly and the spreading rate decreased appreciably. Cu and Sn elements were the main components of the Sn-58Bi/Cu interface, while Ga and Cu segregated greatly on the interface between Sn-58Bi-(1—3)Ga and Cu. In addition, the interface compounds were determined via energy dispersion spectrum (EDS) analysis at last.

Key words: Sn-Bi alloy melting characteristic shear strength spreading rate interface compounds

出版日期: 2017-07-25 发布日期: 2018-05-04

ZTFLH:

TG425.1

基金资助: *江西省自然科学基金(20161BAB206137)

作者简介: 杨斌:男,1965年生,教授,研究方向为有色金属材料的研究与开发 E-mail:yangbin65@126.com 陈剑明:男,1992年生,硕士研究生,研究方向为锡基焊料的研究与开发 E-mail:student_yjy@126.com

引用本文:

杨斌, 陈剑明, 邬善江, 李明茂, 张建波. Sn-58Bi-(0~3)Ga/Cu润湿剪切性能及界面化合物的研究^*[J]. 《材料导报》期刊社, 2017, 31(14): 92-95.
YANG Bin, CHEN Jianming, WU Shanjiang, LI Mingmao, ZHANG Jianbo. Study on Wetting Shearing Properties and Interface Compounds of Sn-58Bi-(0-3)Ga/Cu. Materials Reports, 2017, 31(14): 92-95.

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https://www.mater-rep.com/CN/10.11896/j.issn.1005-023X.2017.014.019 或 https://www.mater-rep.com/CN/Y2017/V31/I14/92

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